UI Texture is rendered with artifacts when ETC Compressor is set to "Legacy", and the texture Format is set to "RGBA Compressed ETC2 8 bits"

Reproduction steps:
1. Open "ReproProject"
2. Open the “Assets/BugReportAssets/issueScene“ scene
3. Reimport the “Assets/BugReportAssets/texture_test_PNG“ Texture (Right click > Reimport) in the Project window
4. Observe the Scene view and the Game view

Expected result: The Texture is rendered with no artifacts
Actual result: The Texture has artifacts around the edges

Reproducible with: 2023.3.0b5, 2023.3.0b7, 2023.2.13f1, 2022.3.22f1
Not reproducible with: 2021.3.35f1, 2022.3.20f1, 2023.2.10f1, 2023.3.0b4

Reproducible on: Windows 11 Pro (22H2)
Not reproducible on: No other environment tested

Notes:
Changing ETC Compressor to “Default“ (Project Settings > Editor) fixes the issue
Changing the “Assets/BugReportAssets/texture_test_PNG“ Texture’s Format to “RGBA Crunched ETC2“ fixes the issue
When switching between Editor versions, the texture doesn’t update and it might look like the issue is reproducing or not reproducing depending on the Editor version. To check if the issue reproduces, the “Assets/BugReportAssets/texture_test_PNG“ has to be reimported each time.